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A ray of light travelling in transparent...

A ray of light travelling in transparent medium of refractive index`mu`falls on a surface separating the medium from air at an angle of incidence of `45^(@)`. For which of the following value of `mu`the ray can undergo total internal reflection ?

A

`mu=1.33`

B

`mu=1.40`

C

`mu=1.30`

D

`mu=1.25`

Text Solution

Verified by Experts

The correct Answer is:
B
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